Mold for making concrete blocks and artificial stone.



PATENTED JUNE 11, 1907. W. A. BENTON.

MOLD FOR MAKING GONGRBTE BLOCKS AND ARTIFICIAL STONE.

' APPLIOATION FILED APR. 30, 1906.

2 SHEETS-SHEET 1.

'No. 856,213. PATENTED JUNE 11, 1907.

W. A. BENTON.

MOLD FOR MAKING GONGRETBBLOCKS AND ARTIFICIAL STONE.

APPLIOATIOII IILBD APB.30,1906.

ZKSHEETB-SHEBT 2.

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UNITED STATES PATENT ()FFIGE.

WILLIAM A. BENTON, OF FORT WORTH, TEXAS. MOLD FOR MAKING CONCIRETE BLOCKS AND ARTIFICIAL STONE.

No. 856,213. Specification of Letters Patent.

Application filed April 30,1906. $er1'al No. 314.497.

will be formed instead of the cut-out 14in that end of the block next to the window or The outside face, or face exposed to Patented June 11, 1907.

To all whom it may concern:

Be it known that I, IVILLIAM A. BENTON, a citizen of the United States, residing at Fort IVorth, Texas, have invented certain new and useful Improvements in Molds for Making Concrete Blocks or Artificial Stone, of which the following is a specification.

s invention relates to'devices for manudownward in the mold as indicated in Fig. 2. The surface 15 of the block shown in Figs. 5 and 6 is formed by the irregularly shaped piece of copper 16 shown in Fig. 2. Molding 17 is used to form a bed for cement which is used between the blocks to hold the blocks together. The piece of copper 16 is secured or fastened to a box 18 as shown in Fig. 2. he copper facing 16 may be formed into any suitable ornamental design.

In Fig. 4 I show a panel facing which is refor molding and moving concrete blocks.

One of the advantages of this invention is be turned out on sand. I

Other objects and advantages will be fully explained in the following description and t e invention will be m pointed out in the claims.

Reference is had drawings which form tion and specification.

Figure 1 is a plan view of a mold coupled together as when in service. Fig. 2 is a longitudinal section taken along the line a a: of Fig. 1. Fig. 3 is a plan view of the removable of a facing for house would have the same design as the other parts of the house. A removable core 20 is provided for making openings may be made vertically through the molds. The inner end 21 of th may be made slightly smaller than the opposite end so that the core will be tapering and easily withdrawn from the concrete block. draw-bar 22 is attached to the core 20 for drawing the core out of the block. Hand screws 23 are screw-threaded into the draw-bar 22 for forcing the core out of the concrete block. When the screws 23 are turned the inner ends of the screws or bolts 23 press against the outsideframe piece 1 to force the core out of the concrete block before the concrete block is removed from the t e facing shown in Fig. 2. Fig. 5 is an end view of a concrete block turned on the edge. Fig. 6 is a plan view of the same.

Similar characters of reference are used to indicate the same parts throughout the several views.

A frame is pieces 1 and 2,

sides of the frame '1 piece 6 and th manner stated,

and through the molding e core is withdrawn in the lding pieces 8 so that there will be no inand 9. Y The linges are indicated by 10. ury whatever to the concrete block. The The side molding pieces 6 and 7 and the end screws press against the side piece 1 to withmolding pieces 8 and 9 may carry any suitdraw the core and the concrete block will able blocks for forming creases or cut-outs in the concrete blocks.

In the drawings I show half cylindrical blocks 11 which would form the curved creases 12 shown in Figs. and 6. Th

press against the inner face of the molding piece 6 while the core is being withdrawn. Thus the concrete block will remain perfectly stationary while the core is being re moved.

In practice the mold is coupled together as shown in Fig. 1 with the core removed. The material is placed in the mold and tamped, that part of the mold adjacent to facing 16 being provided with a greater proportion of or cut-outs 14 shown in In making the blocks for a door or window facing one of the blocks 13 must be removed so that a smooth surface The core 20 is inserted through the the blocks lighter and also for providing that cement for the purpose of making the outside facing of the blocks stronger and harder than the other part of the blocks. The material is tamped in the mold up even with the bottom of the core 20, so that the material will be flush with the core when the core is inserted. The core is then inserted and the mold completely filled until it is level with the top of the side and end pieces 6, 7, 8 and 9. The core 20 can then be removed by drawing out the core with the screw bolts 23 and the mold uncoupled so that the side and end pieces may be removed. The concrete block can then be tilted over on the side in sand. The mold can then be coupled. together for receiving another concrete block. l If necessary the mold with the concrete block can be transported to any suitable place and for this reason handles 24 are attached to the end pieces.

Having fully described my invention, what I claim as new and desire to secure by Letters Patent, is,

1. A- mold having side and end frame pieces connected together and capable of outward movement, molding pieces by said frame pieces, blocks carried by said molding pieces, a core inserted horizontally through one of said sides and through the molding piece on that side and intercepting the configurating blocks on bothsides, a draw bar attached to said core an l the outside frame piece resting against the outside frame piece, handscrews in the plane of said core operating through said draw-bar and bearing against in close proximity to the opening in said frame piece for said core and causin a gradual outward thrust of said core, and a facing mold of suitable design for forming the weather face of blocks.

2-. A mold having a weather face molding iece of suitable design forming the bottom of the mold, side and end frame ieces hinged together at three corners, suitab le latches for connecting the frame pieces together at the fourth corner, side and end molding pieces carried by said frame pieces, a core inserted horizontally through one side of said mold and abutting against the inside of the other side of said mold, a draw-bar attached to said core and resting against the outside of the frame piece on erating through said draw-bar in the plane 0 said core and bearing against the outside frame piece in close proximity to said core for causing a gradual thrust of said core in removing the same from said molc In testimony whereof, I set my hand in the resence of two witnesses, this 16th day of April, 1906.

- WILLIAM A. BENTON.

Witnesses:

A. L. JACKSON, BRUNO OORKOWSKL that-side, and hand screws op- 

